Electronic cigarette

ABSTRACT

An electronic cigarette includes an e-liquid extruder. The e-liquid extruder includes an e-liquid tank, a piston, a push rod, and a motor. The piston is disposed in a bottom opening of the e-liquid tank. The push rod includes an inner wall with a female thread and the rotor includes an outer wall with a male thread. The male thread corresponds to the female thread. The piston is disposed on the push rod; when the motor is energized and rotates, the push rod moves upward to extrude e-liquid out of the e-liquid tank.

CROSS-REFERENCE TO RELATED APPLICATIONS

Pursuant to 35 U.S.C. § 119 and the Paris Convention Treaty, thisapplication claims foreign priority to Chinese Patent Application No.202011403589.1 filed Dec. 4, 2020, to Chinese Patent Application No.202022876793.7 filed Dec. 4, 2020, to Chinese Patent Application No.202110143096.7 filed Feb. 2, 2021, and to Chinese Patent Application No.202120293644.X filed Feb. 2, 2021. The contents of all of theaforementioned applications, including any intervening amendmentsthereto, are incorporated herein by reference. Inquiries from the publicto applicants or assignees concerning this document or the relatedapplications should be directed to: Matthias Scholl P. C., Attn.: Dr.Matthias Scholl Esq., 245 First Street, 18th Floor, Cambridge, Mass.02142.

BACKGROUND

The disclosure relates to an electronic cigarette.

The heating elements of conventional electronic cigarettes are immersedin the e-liquid. If the e-liquid is not used up for a long time, thequality of the e-liquid will be adversely affected.

SUMMARY

The disclosure provides an electronic cigarette comprising an e-liquidextruder; the e-liquid extruder comprises an e-liquid tank, a piston, apush rod, and a motor; the piston is disposed in a bottom opening of thee-liquid tank; the push rod comprises an inner wall with a female threadand the rotor comprises an outer wall with a male thread; the malethread corresponds to the female thread; the piston is disposed on thepush rod; when the motor is energized and rotates, the push rod movesupward to extrude e-liquid out of the e-liquid tank.

The electronic cigarette further comprises an atomizing assembly and abattery assembly; the battery assembly comprises a passage; the e-liquidextruder is disposed in the battery assembly; both the e-liquid tank andthe atomizing assembly are disposed in the passage; and the atomizingassembly is disposed on the e-liquid tank.

The atomizing assembly comprises a heating assembly comprising a heatingelement; the heating assembly is fixed in the atomizing assembly; theatomizing assembly further comprises an e-liquid conduction channelcommunicating with a bottom portion of the heating element.

The heating element is in the shape of a bowl; the heating elementcomprises a first through hole disposed on the bottom portion andcommunicating with the e-liquid conduction channel; the heating elementfurther a bottom surface, a peripheral wall, and a plurality of heatingwires disposed on the bottom surface and/or the peripheral wall.

The heating assembly further comprises a first silicone ring and a base;the heating element is disposed in the first silicone ring to atomizethe e-liquid; the first silicone ring is disposed between the heatingelement and the base to prevent leakage of the e-liquid.

The first silicone ring and the base each are a concave membercomprising a bottom wall and each bottom wall comprises a second throughhole; both the first through hole and the second through hole are a partof the e-liquid conduction channel; the heating assembly furthercomprises a plurality of metal wires spirally disposed on an innersurface of the heat element.

The heating assembly further comprises a joint comprising a thirdthrough hole; the e-liquid tank comprises a top portion comprising ane-liquid outlet; the e-liquid outlet and through holes of the heatingelement, the first silicone ring, the base, and the joint are disposedon a vertical line and communicate with each other; the e-liquid isextruded out of the e-liquid tank, flows through the e-liquid conductionchannel, into the heating element, and is atomized to produce smoke orvapor.

The heating assembly further comprises a positive pin, a negative pin,and an insulating ring; the insulating ring is disposed in the secondthrough hole of the base to isolate the positive pin and the negativepin; the joint is disposed in a fourth through hole of the insulatingring and contacts the positive pin and the negative pin for electronicconducting.

The e-liquid outlet is disposed under the atomizing assembly andcommunicates with the e-liquid conduction channel; the piston is movablein the e-liquid tank to extrude the e-liquid out of the e-liquid outlet;the e-liquid flows through the e-liquid conduction channel and entersthe heating element, and is atomized to produce smoke and vapor.

The battery assembly comprises a battery, a power supply board, and acontrol board; the battery is disposed on an input terminal of the powersupply board; the control board is disposed on the motor to control therotational speed of the motor, thereby adjusting the amount of thee-liquid flowing out of the e-liquid tank; an output terminal of thepower supply board is connected to the control board to energize themotor and the control board.

The battery assembly further comprises a screen board comprising ascreen; the screen board is disposed in the battery assembly with thescreen exposed outside the battery assembly to display the electricalparameters and function information of the electronic cigarette.

The battery assembly further comprises a power button, a regulationbutton, and a switch button; the power button is configured to turn on apower supply of the electronic cigarette, thus controlling the heatingelement and the motor to work; the switch button is configured to switchbetween a power control mode and a motor-controlled e-liquid supplymode; the regulation button is configured to adjust the two workingmodes; when the electronic cigarette works in the power control mode,the regulation button is configured to adjust the power, therebyadjusting the amount of heat generated by the heating element; when theelectronic cigarette works in the motor-controlled e-liquid supply mode,the regulation button is configured to adjust a rotational speed of themotor.

The battery assembly further comprises a sensor disposed on the screenboard; when external air is sucked into the electronic cigarette, thesensor detects air flow to control the amount of the e-liquid supplied.

The atomizing assembly further comprises a housing and a mouthpiecedisposed on a top portion of the housing; the external air flows throughan air inlet of the battery assembly into the atomizing assembly,causing the heating element to atomize the e-liquid; the smoke or vaporgenerated flows through the mouthpiece and is inhaled by a user.

The e-liquid extruder further comprises a seal ring disposed between thepiston and the e-liquid tank to prevent the e-liquid from flowing out ofthe bottom opening of the e-liquid tank.

In a class of this embodiment, the piston is disposed on one end of thepush rod.

In a class of this embodiment, one end of the push rod is secured to abottom surface of the piston; when the motor rotates in reverse, therotor rotates in a reverse direction as well, pulling the push rod tomove toward the bottom opening of the e-liquid tank; and thus thee-liquid tank is filled with the e-liquid.

The battery assembly further comprises a bracket; the e-liquid extruderis fixed in the bracket; the bracket comprises a hollow columnfunctioning as the passage of the battery assembly; and the e-liquidtank is disposed in the hollow column.

The following advantages are associated with the electronic cigarette ofthe disclosure:

1. The electronic cigarette comprises the e-liquid extruder in which themotor rotates and the piston is thus pushed into the e-liquid tank,thereby extruding the e-liquid into the heating element for atomization.

2. In conventional electronic cigarettes, the e-liquid is often attachedto the heating elements for a long period of time, which affects thequality and taste of the e-liquid. The e-liquid extruder comprises thecontrol board configured to adjust the rotational speed of the motor,thereby controlling the amount of the e-liquid flowing out of thee-liquid outlet into the heating element.

3. The electronic cigarette comprises the power button, the switchbutton, the regulation button, and the screen. The power button isconfigured to turn on and off the electronic cigarette. The switchbutton is configured to switch between a power control mode and amotor-controlled e-liquid supply mode and the regulation button isconfigured to adjust the two working modes. The screen is configured todisplay the electrical parameters and function information of theelectronic cigarette.

4. The electronic cigarette comprises the sensor configured to detectair flow for control of the amount of the e-liquid supplied.

5. When the motor rotates in reverse, the piston is pulled to the bottomopening of the e-liquid tank, so that the e-liquid tank can berepeatedly filled with the e-liquid.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded view of an electronic cigarette according toExample 1 of the disclosure;

FIG. 2 is an exploded view of an atomizing assembly according to Example1 of the disclosure;

FIG. 3 is an exploded view of a battery assembly according to Example 1of the disclosure;

FIG. 4 is a perspective view of an electronic cigarette according toExample 1 of the disclosure;

FIG. 5 is a cross-sectional view of an electronic cigarette according toExample 1 of the disclosure;

FIG. 6 is an exploded view of an electronic cigarette according toExample 2 of the disclosure;

FIG. 7 is an exploded view of an atomizing assembly according to Example2 of the disclosure;

FIG. 8 is an exploded view of a battery assembly according to Example 2of the disclosure;

FIG. 9 is a perspective view of an electronic cigarette according toExample 2 of the disclosure;

FIG. 10 is a cross-sectional view of an electronic cigarette accordingto Example 2 of the disclosure;

FIG. 11 is a cross-sectional view including arrows showing the directionof e-liquid flowing into the e-liquid tank according to Example 2 of thedisclosure; and

FIG. 12 is a cross-sectional view including arrows showing the directionof airflow and smoke according to Example 2 of the disclosure.

In the drawings, the following reference numbers are used: 1.Mouthpiece; 2. First housing; 3. Compression member; 4. First seal ring;5. Threaded base; 6. Threaded sleeve; 7. Atomizing cover; 8. Heatingelement; 9. First silicone ring; 10. Base; 11. Second seal ring; 12.Insulating ring; 13. Joint; 14. Third seal ring; 15. Fixing base; 16.Insulating member; 17. Connecting base; 18. Fourth seal ring; 19. Firstscrew; 20. Threaded ring; 21. First cover; 22. Second housing; 23.E-liquid tank; 24. Fifth seal ring; 25. Piston; 26. Bracket; 27.Electrode; 28. Power button; 29. EVA foam gasket; 30. Battery; 31.Bracket cover; 32. Push rod; 33. Motor; 33-1. Rotor; 33-2. Controlboard; 34. Power supply board; 35. Second cover; 36. Second screw; 37.Screen bracket; 38. Screen board; 38-1. Sensor; 39. Regulation button;and 40. Switch button.

DETAILED DESCRIPTION

To further illustrate, embodiments detailing an electronic cigarette aredescribed below. It should be noted that the following embodiments areintended to describe and not to limit the disclosure.

Example 1

Referring to FIGS. 1-5, an electronic cigarette comprises an e-liquidextruder, an atomizing assembly A, and a battery assembly B. Theatomizing assembly A comprises a mouthpiece 1, a first housing 2, acompression member 3, a First seal ring 4, a threaded base 5, a threadedsleeve 6, an atomizing cover 7, a heating element 8, a first siliconering 9, a base 10, a second seal ring 11, an insulating ring 12, a joint13, a third seal ring 14, a fixing base 15, an insulating member 16, aconnecting base 17, and a fourth seal ring 18. The heating element 8 isdisposed in the first silicone ring 9 to atomize e-liquid. The firstsilicone ring 9 is disposed between the heating element 8 and the base10 to prevent leakage of the e-liquid. The atomizing cover 7 abutsagainst a top edge of the base 10 to fasten the heating element 8 on thebase 10. The base 10 comprises a bottom portion and a first through holeis disposed on the bottom portion. The heating element 8 comprises abottom portion, an e-liquid inlet, a positive pin and a negative pin.The e-liquid inlet is disposed on the bottom portion of the heatingelement 8. The insulating ring 12 is disposed in the first through holeto isolate the positive pin and the negative pin. The insulating ring 12comprises a bottom surface and a second through hole is disposed on thebottom surface. The joint 13 is disposed in the second through hole andcontacts the two pins for electrical conducting. The second seal ring 11is disposed between the base 10 and the fixing base 15. The base 10 isdisposed into the fixing base 15. The insulating member 16 is disposedin the connecting base 17 to prevent short circuit caused by contactbetween the fixing base 15 and the connecting base 17. The fourth sealring 18 is disposed between the connecting base 17 and an e-liquid tank23 to prevent leakage of the e-liquid. The third seal ring 14 isdisposed on the fixing base 15. The threaded base 5 is screwed into thefixing base 15 and abuts against the third seal ring 14. The threadedsleeve 6 is disposed around the threaded base 5 to form a gap and thefirst housing 2 is disposed in the gap. The First seal ring 4 isdisposed on the compression member 3 and the compression member 3 isdisposed on the first housing 2, so that the first housing 2 abutsagainst the First seal ring 4 to prevent leakage of smoke or vapor. Themouthpiece 1 is disposed on a top portion of the first housing 2 toallow smoke to be inhaled by a user. The base 10, the insulating ring12, the joint 13, the fixing base 15, and the connecting base 17 arehollow and constitute an e-liquid conduction channel.

The battery assembly B comprises a plurality of first screws 19, athreaded ring 20, a first cover 21, a second housing 22, a bracket 26,an electrode 27, a power button 28, two EVA foam gaskets 29, a battery30, a bracket cover 31, a second cover 35, and a plurality of secondscrews 36. The e-liquid extruder comprises the e-liquid tank 23, a fifthseal ring 24, a piston 25, a push rod 32, a motor 33, a rotor 33-1, acontrol board 33-2, and a power supply board 34. The piston 25 isdisposed in a bottom opening of the e-liquid tank 23. The push rod 32comprises an inner wall with a female thread and the rotor 33-1comprises an outer wall provided a male thread. The male threadcorresponds to the female thread. The piston 25 is disposed on one endof the push rod 32. When the motor is energized and rotates, the pushrod 32 moves upward to extrude the e-liquid out of the e-liquid tank.The fifth seal ring 24 is disposed around an outer wall of the piston 25to prevent leakage of the e-liquid. The battery 30 is disposed on aninput terminal of the power supply board 34. The control board 33-2 isdisposed on the motor 32 to control a rotational speed of the motor 33,thereby adjusting the amount of the e-liquid flowing out of the e-liquidtank. An output terminal of the power supply board 34 is connected tothe control board 33-2 to energize the motor 33 and the control board33-2. The e-liquid extruder is fixed in the bracket 26. The bracket 26comprises a hollow column and the e-liquid tank 23 is disposed in thehollow column. The two EVA foam gaskets 29 are disposed on both ends ofthe battery 30 to provide insulation. The electrode 27 is connected tothe power supply board 34 via a conductive wire and abut against a topplate of the bracket 26 to contact the heating element for electricalconducting. The power button 28 is disposed on the power supply board 34to turn on a power supply of the electronic cigarette, therebycontrolling the motor 33 and the heating element 8 to work. The bracketcover 31 is disposed on the bracket 26 to protect the e-liquid extruder.The bracket 26 is secured within the second housing 22. The first cover21 is disposed in the upper opening of the second housing 22 by theplurality of first screws 19. The threaded ring 20 is screwed throughthe first cover 21 into the threaded sleeve 6, so that the atomizingassembly is secured in the hollow column of the bracket 26. The secondcover 35 is disposed on a lower opening of the second housing 22 by theplurality of second screws 36.

The working principle of the electronic cigarette is detailed asfollows: when the power button is pressed, the motor 33 rotates, causingthe rotor 33-1 to rotate as well; the push rod 32 moves upward with therotation of the rotor 33-1 and pushes the piston 25 to an e-liquidoutlet of the e-liquid tank; the e-liquid flows through the e-liquidtank, the e-liquid conduction channel, the e-liquid inlet, and entersthe heating element 8, and is atomized to produce smoke or vapor.

Example 2

Referring to FIGS. 6-12, an electronic cigarette comprises an atomizingassembly A and a battery assembly B. The atomizing assembly A comprisesa mouthpiece 1, a first housing 2, two first seal rings 4, an atomizingcover 7, a heating element 8, a first silicone ring 9, a base 10, asecond seal ring 11, an insulating ring 12, a joint 13, a fixing base15, a seal gasket 15-1, an insulating member 16, and a connecting base17. The heating element 8 is disposed in the first silicone ring 9 toatomize e-liquid. The first silicone ring 9 is disposed between theheating element 8 and the base 10 to prevent leakage of the e-liquid.The atomizing cover 7 abuts against the top edge of the base 10 tofasten the heating element 8 on the base 10. The base 10 comprises abottom portion and a first through hole is disposed on the bottomportion. The heating element 8 comprises a positive pin and a negativepin. The insulating ring 12 is disposed in the first through hole toisolate the positive pin and the negative pin. The insulating ring 12comprises a bottom surface and a second through hole is disposed on thebottom surface. The joint 13 is disposed in the second through hole andcontacts the two pins for electrical conducting. The second seal ring 11is disposed between the base 10 and the fixing base 15. The insulatingmember 16 is disposed on the fixing base 15 to prevent short circuitcaused by contact of the atomizing assembly and the battery assembly.The bottom portion of the base 10 comprises an outer peripheral with anexternal thread and the fixing base 15 comprises an inner peripheralwith an internal thread. The external thread corresponds to the internalthread. The top portion of the base 10 is secured within the firsthousing 2. One of the two first seal rings is disposed on an upperportion of the first housing 2 to seal a gap between the first housing 2and the mouthpiece 1. The other one of the first seal ring 4 is disposedat the bottom of the first housing 2 to seal a gap between the atomizingassembly and the battery assembly. The mouthpiece 1 is disposed on theupper portion of the first housing 2, thus allowing smoke to be inhaledby a user. The seal gasket 15-1 is disposed in the fixing base 15 toseal an e-liquid outlet of an e-liquid tank, thereby preventing leakageof e-liquid. The connecting base 17 is disposed between the fixing base15 and the e-liquid tank. The base 10, the insulating ring 12, the joint13, and the fixing base 15 are hollow and constitute an e-liquidconduction channel.

The battery assembly B comprises a plurality of first screws 19, athreaded ring 20, a first cover 21, a second housing 22, the e-liquidtank 23, a fifth seal ring 24, a piston 25, a bracket 26, an electrode27, a power button 28, two EVA foam gaskets 29, a battery 30, a bracketcover 31, a push rod 32, a motor 33, a rotor 33-1, a control board 33-2,a power supply board 34, a plurality of second screws 36, a screenbracket 37, a screen board 38, a sensor 38-1, a regulation button 39,and a switch button 40. The piston 25 is disposed in a bottom opening ofthe e-liquid tank 23. The fifth seal ring 24 is disposed between thepiston 25 and the bottom opening of the e-liquid tank 23 to preventleakage of the e-liquid. The push rod 32 comprises an inner wall with afemale thread and the rotor 33-1 comprises an outer wall with a malethread. The male thread corresponds to the female thread. The motor 33is disposed within the bracket 26. The bracket 26 further comprises apassage and the e-liquid tank 23 is disposed in the passage. The piston25 is disposed on the push rod 32. When the motor is energized androtates, the push rod 32 moves upward to extrude the e-liquid out of thee-liquid tank. The battery 30 is disposed on an input terminal of thepower supply board 34. The control board 33-2 is disposed on the motor32 to control the number of rotations of the motor 33, thereby adjustingthe amount of the e-liquid flowing out of the e-liquid tank. An outputterminal of the power supply board 34 is connected to the control board33-2 to energize the motor 33 and the control board 33-2. The two EVAfoam gaskets 29 are disposed on both ends of the battery 30 to provideinsulation. The electrode 27 is connected to the power supply board 34via a conductive wire and abut against a top plate of the bracket 26 tocontact the atomizing assembly for electrical conducting. The battery 30and the power supply board 34 are disposed within the bracket 26. Thebracket cover 31 is disposed on the bracket 26. The bracket 26 issecured within the second housing 22 by the plurality of second screws36. The threaded ring 20 is disposed on the first cover 21 to secure tothe atomizing assembly. The sensor 38-1 is disposed on the screen board38 to detect airflow sucked into the electronic cigarette, therebycontrolling the amount of the e-liquid supplied. The screen board 38comprises a screen and the screen bracket 37 is disposed on the screen.The first cover 21 comprises an opening and the screen board 38 issecured to the first cover 21, so that the screen is exposed outside theopening to display the electrical parameters and function information ofthe electronic cigarette. Another output terminal of the power supplyboard 34 is connected to the screen board 38 for supply of electricity.The first cover 21 is disposed in the upper opening of the secondhousing 22 by the plurality of first screws 19. The second housingcomprises a wall comprising three holes through which the power button28, the regulation button 39, and the switch button 40 are separatelysecured to the wall of the housing. The power button 28 is configured toturn on a power supply of the electronic cigarette, thus controlling theheating element 8 and the motor 33 to work. The switch button 40 isconfigured to switch between a power control mode and a motor-controllede-liquid supply mode. The regulation button 39 is configured to adjustthe two working modes. When the electronic cigarette works in the powercontrol mode, the regulation button 39 is pressed to increase anddecrease the power, thereby adjusting the amount of heat generated bythe heating element 8. When the electronic cigarette works in themotor-controlled e-liquid supply mode, the regulation button 39 ispressed to adjust a rotational speed of the motor 33, therebycontrolling the amount of the e-liquid extruded from the e-liquid tank.The first housing 2 comprises a threaded portion and the threadedportion is screwed to a threaded surface of the threaded ring 20. Thefirst cover 21 further comprises an air inlet and the first housing 2comprises a plurality of fifth through holes. The e-liquid outlet of thee-liquid tank 23 is disposed in the fixing base 15 and communicates withthe e-liquid conduction channel. The air inlet, the plurality of fifththrough holes, a hollow section of the first housing 2, and a hollowsection of the mouthpiece 1 constitute an air conduction channel.

In certain embodiments, one end of the push rod 32 is secured to abottom surface of the piston 25. The push rod 32 comprises the innerwall with the female thread and the rotor 33-1 comprises the outer wallwith the male thread. The male thread corresponds to the female thread.When the motor 33 rotates in reverse, the rotor 33-1 rotates in areverse direction as well, pulling the push rod 32 to move toward thebottom opening of the e-liquid tank 23; and thus the e-liquid tank canbe repeatedly filled with the e-liquid.

It will be obvious to those skilled in the art that changes andmodifications may be made, and therefore, the aim in the appended claimsis to cover all such changes and modifications.

The invention claimed is:
 1. An electronic cigarette, comprising ane-liquid extruder; wherein the e-liquid extruder comprises an e-liquidtank, a piston, a push rod, and a motor; the piston is disposed in abottom opening of the e-liquid tank; the push rod comprises an innerwall with a female thread and the rotor comprises an outer wall with amale thread; the male thread corresponds to the female thread; thepiston is disposed on the push rod; when the motor is energized androtates, the push rod moves upward to extrude e-liquid out of thee-liquid tank.
 2. The electronic cigarette of claim 1, wherein theelectronic cigarette further comprises an atomizing assembly and abattery assembly; the battery assembly comprises a passage; the e-liquidextruder is disposed in the battery assembly; both the e-liquid tank andthe atomizing assembly are disposed in the passage; and the atomizingassembly is disposed on the e-liquid tank.
 3. The electronic cigaretteof claim 2, wherein the atomizing assembly comprises a heating assemblycomprising a heating element; the atomizing assembly further comprisesan e-liquid conduction channel communicating with a bottom portion ofthe heating element.
 4. The electronic cigarette of claim 3, wherein theheating element is in the shape of a bowl; the heating element comprisesa first through hole disposed on the bottom portion of the heatingelement and communicating with the e-liquid conduction channel; theheating element further a bottom surface, a peripheral wall, and aplurality of heating wires disposed on the bottom surface and/or theperipheral wall.
 5. The electronic cigarette of claim 4, wherein theheating assembly further comprises a first silicone ring and a base; theheating element is disposed in the first silicone ring to atomize thee-liquid; the first silicone ring is disposed between the heatingelement and the base to prevent leakage of the e-liquid.
 6. Theelectronic cigarette of claim 5, wherein the first silicone ring and thebase each are a concave member comprising a bottom wall and each bottomwall comprises a second through hole; both the first through hole andthe second through hole are a part of the e-liquid conduction channel;the heating assembly further comprises a plurality of metal wiresspirally disposed on an inner surface of the heat element.
 7. Theelectronic cigarette of claim 6, wherein the heating assembly furthercomprises a joint comprising a third through hole; the e-liquid tankcomprises a top portion comprising an e-liquid outlet; the e-liquidoutlet and through holes of the heating element, the first siliconering, the base, and the joint are disposed on a vertical line andcommunicate with each other; the e-liquid is extruded out of thee-liquid tank, flows through the e-liquid conduction channel, into theheating element, and is atomized to produce smoke or vapor.
 8. Theelectronic cigarette of claim 5, wherein the heating assembly furthercomprises a positive pin, a negative pin, and an insulating ring; theinsulating ring is disposed in the second through hole of the base toisolate the positive pin and the negative pin; the joint is disposed ina fourth through hole of the insulating ring and contacts the positivepin and the negative pin for electronic conducting.
 9. The electroniccigarette of claim 3, wherein an e-liquid outlet is disposed under theatomizing assembly and communicates with the e-liquid conductionchannel; the piston is movable in the e-liquid tank to extrude thee-liquid out of the e-liquid outlet; the e-liquid flows through thee-liquid conduction channel and enters the heating element, and isatomized to produce smoke and vapor.
 10. The electronic cigarette ofclaim 2, wherein the battery assembly comprises a battery, a powersupply board, and a control board; the battery is disposed on an inputterminal of the power supply board; the control board is disposed on themotor to control the rotational speed of the motor, thereby adjustingthe amount of the e-liquid flowing out of the e-liquid tank; an outputterminal of the power supply board is connected to the control board toenergize the motor and the control board.
 11. The electronic cigaretteof claim 10, wherein the battery assembly further comprises a screenboard comprising a screen; the screen board is disposed in the batteryassembly with the screen exposed outside the battery assembly to displayelectrical parameters and function information of the electroniccigarette.
 12. The electronic cigarette of claim 11, wherein the batteryassembly further comprises a power button, a regulation button, and aswitch button; the power button is configured to turn on a power supplyof the electronic cigarette, thus controlling the heating element andthe motor to work; the switch button is configured to switch between apower control mode and a motor-controlled e-liquid supply mode; theregulation button is configured to adjust the power control mode and themotor-controlled e-liquid supply mode; when the electronic cigaretteworks in the power control mode, the regulation button is configured toadjust an amount of heat generated by the heating element; when theelectronic cigarette works in the motor-controlled e-liquid supply mode,the regulation button is configured to adjust a rotational speed of themotor.
 13. The electronic cigarette of claim 12, wherein the batteryassembly further comprises a sensor disposed on the screen board; whenexternal air is sucked into the electronic cigarette, the sensor detectsair flow to control the amount of the e-liquid supplied.
 14. Theelectronic cigarette of claim 3, wherein the atomizing assembly furthercomprises a housing and a mouthpiece disposed on a top portion of thehousing; the external air flows through an air inlet of the batteryassembly into the atomizing assembly, causing the heating element toatomize the e-liquid; the smoke or vapor generated flows through themouthpiece and is inhaled by a user.
 15. The electronic cigarette ofclaim 1, wherein the e-liquid extruder further comprises a seal ringdisposed around an outer wall of the piston to prevent the e-liquid fromflowing out of the bottom opening of the e-liquid tank.
 16. Theelectronic cigarette of claim 1, wherein the piston is disposed on oneend of the push rod; or one end of the push rod is secured to a bottomsurface of the piston; when the motor rotates in reverse, the rotorrotates in a reverse direction, pulling the push rod to move toward thebottom opening of the e-liquid tank; and thus the e-liquid tank isfilled with the e-liquid.
 17. The electronic cigarette of claim 2,wherein the battery assembly further comprises a bracket; the e-liquidextruder is fixed in the bracket; the bracket comprises a hollow columnfunctioning as the passage of the battery assembly; and the e-liquidtank is disposed in the hollow column.